AP4310AUMTR-E1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, adjustable output
• Package: SOT-23-3
• Essence: The AP4310AUMTR-E1 is a three-terminal shunt voltage reference IC that provides a highly accurate and stable voltage reference. It is commonly used in various electronic circuits where a precise voltage reference is required.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 2.5V to 36V
• Output Current: Up to 100mA
• Temperature Coefficient: ±50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: Up to 36V
• Dropout Voltage: 0.4V (typical)

Pin Configuration

The AP4310AUMTR-E1 has a standard SOT-23-3 package with the following pin configuration:

```

---

| | --| REF | --| K | --| A | |_______| ```

Functional Features

• High Precision: The AP4310AUMTR-E1 offers a highly accurate voltage reference with a low temperature coefficient, ensuring stability over a wide range of operating conditions.
• Low Dropout Voltage: With a typical dropout voltage of only 0.4V, this IC can operate efficiently even when the input voltage is close to the desired output voltage.
• Adjustable Output: The reference voltage can be adjusted using external resistors, allowing for flexibility in various applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage - Adjustable output voltage

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external resistors for voltage adjustment

Working Principles

The AP4310AUMTR-E1 operates as a shunt voltage reference. It compares the voltage across its reference pin (REF) with an internal bandgap reference voltage. By adjusting the resistance connected to the K and A pins, the output voltage can be set to a desired value within the specified range.

Detailed Application Field Plans

The AP4310AUMTR-E1 is widely used in various electronic circuits that require a stable and accurate voltage reference. Some common application areas include:

1. Power Supply Regulation: The IC can be used to provide a precise voltage reference for regulating power supplies in devices such as audio amplifiers, data converters, and battery charging circuits.
2. Sensor Calibration: It is often employed in sensor calibration circuits where a precise reference voltage is needed to calibrate the sensor's output.
3. Voltage Monitoring: The IC can be utilized in voltage monitoring circuits to detect overvoltage or undervoltage conditions and trigger appropriate actions.

Detailed and Complete Alternative Models

1. LM4040CIM3-2.5/NOPB: This is a similar three-terminal shunt voltage reference IC with a fixed output voltage of 2.5V. It comes in a SOT-23 package and offers high accuracy and low temperature coefficient.
2. TL431ACLPR: Another popular shunt voltage reference IC with adjustable output voltage. It has a TO-92 package and provides a wide operating temperature range.

These alternative models can be considered based on specific requirements and compatibility with the target application.

Word count: 439 words